Vending machine



FIG. 1 is a front left perspective view of a vending machine, showing our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear right perspective view thereof.

The broken lines in FIGS. 1-8 illustrate portions of the vending machine that form no part of the claimed design. 

CLAIM The ornamental design for a vending machine, as shown and described. 